./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '2fa446d8c93aa6747c2c2e323426d1b7be32d5c9dc6e4b183922bd1055e01248'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fa446d8c93aa6747c2c2e323426d1b7be32d5c9dc6e4b183922bd1055e01248 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:15:18,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:15:18,156 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 09:15:18,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:15:18,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:15:18,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:15:18,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:15:18,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:15:18,176 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:15:18,176 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:15:18,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:15:18,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:15:18,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:15:18,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:15:18,176 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:15:18,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:15:18,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:15:18,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:15:18,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 09:15:18,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:15:18,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:15:18,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:15:18,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:15:18,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:15:18,177 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:15:18,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:15:18,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:15:18,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:15:18,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:15:18,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:15:18,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:15:18,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:15:18,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:15:18,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:15:18,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:15:18,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:15:18,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 09:15:18,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 09:15:18,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:15:18,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:15:18,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:15:18,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:15:18,181 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa446d8c93aa6747c2c2e323426d1b7be32d5c9dc6e4b183922bd1055e01248 [2024-11-07 09:15:18,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:15:18,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:15:18,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:15:18,387 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:15:18,388 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:15:18,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i [2024-11-07 09:15:19,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:15:19,720 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:15:19,721 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i [2024-11-07 09:15:19,728 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/085647632/c445c09351744499a17beed70744d5c1/FLAGd4abe3405 [2024-11-07 09:15:19,742 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/085647632/c445c09351744499a17beed70744d5c1 [2024-11-07 09:15:19,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:15:19,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:15:19,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:15:19,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:15:19,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:15:19,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:19,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260f064a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19, skipping insertion in model container [2024-11-07 09:15:19,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:19,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:15:19,869 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i[915,928] [2024-11-07 09:15:19,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:15:19,903 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:15:19,914 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i[915,928] [2024-11-07 09:15:19,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:15:19,941 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:15:19,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19 WrapperNode [2024-11-07 09:15:19,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:15:19,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:15:19,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:15:19,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:15:19,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:19,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:19,969 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85 [2024-11-07 09:15:19,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:15:19,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:15:19,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:15:19,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:15:19,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:19,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:19,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:19,998 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 09:15:19,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:19,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:20,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:20,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:20,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:20,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:20,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:15:20,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:15:20,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:15:20,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:15:20,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (1/1) ... [2024-11-07 09:15:20,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:15:20,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:15:20,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 09:15:20,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 09:15:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:15:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:15:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:15:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 09:15:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:15:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:15:20,125 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:15:20,127 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:15:20,229 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-07 09:15:20,229 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:15:20,236 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:15:20,236 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:15:20,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:15:20 BoogieIcfgContainer [2024-11-07 09:15:20,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:15:20,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:15:20,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:15:20,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:15:20,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:15:19" (1/3) ... [2024-11-07 09:15:20,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3628da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:15:20, skipping insertion in model container [2024-11-07 09:15:20,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:19" (2/3) ... [2024-11-07 09:15:20,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3628da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:15:20, skipping insertion in model container [2024-11-07 09:15:20,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:15:20" (3/3) ... [2024-11-07 09:15:20,246 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-71.i [2024-11-07 09:15:20,255 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:15:20,256 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:15:20,294 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:15:20,303 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@798fb35e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:15:20,303 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:15:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 09:15:20,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-07 09:15:20,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:15:20,313 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:15:20,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:15:20,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:15:20,317 INFO L85 PathProgramCache]: Analyzing trace with hash 2017305078, now seen corresponding path program 1 times [2024-11-07 09:15:20,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:15:20,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612717134] [2024-11-07 09:15:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:15:20,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:15:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:20,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:15:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:20,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:15:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:20,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:15:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:20,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:15:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:21,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:15:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:21,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:15:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:15:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:21,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 09:15:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:21,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 09:15:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:21,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 09:15:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:21,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:15:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:21,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 09:15:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:21,031 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-07 09:15:21,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:15:21,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612717134] [2024-11-07 09:15:21,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612717134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:15:21,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:15:21,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 09:15:21,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544042617] [2024-11-07 09:15:21,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:15:21,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 09:15:21,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:15:21,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 09:15:21,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 09:15:21,054 INFO L87 Difference]: Start difference. First operand has 42 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-07 09:15:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:15:21,161 INFO L93 Difference]: Finished difference Result 92 states and 146 transitions. [2024-11-07 09:15:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 09:15:21,163 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 79 [2024-11-07 09:15:21,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:15:21,168 INFO L225 Difference]: With dead ends: 92 [2024-11-07 09:15:21,169 INFO L226 Difference]: Without dead ends: 53 [2024-11-07 09:15:21,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 09:15:21,174 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 15 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:15:21,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 235 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:15:21,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-07 09:15:21,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 42. [2024-11-07 09:15:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 09:15:21,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2024-11-07 09:15:21,204 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 79 [2024-11-07 09:15:21,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:15:21,205 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2024-11-07 09:15:21,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-07 09:15:21,205 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2024-11-07 09:15:21,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-07 09:15:21,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:15:21,207 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:15:21,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 09:15:21,207 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:15:21,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:15:21,207 INFO L85 PathProgramCache]: Analyzing trace with hash 2019152120, now seen corresponding path program 1 times [2024-11-07 09:15:21,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:15:21,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010658839] [2024-11-07 09:15:21,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:15:21,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:15:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 09:15:21,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 09:15:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 09:15:21,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 09:15:21,275 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 09:15:21,276 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 09:15:21,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 09:15:21,279 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 09:15:21,319 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 09:15:21,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:15:21 BoogieIcfgContainer [2024-11-07 09:15:21,323 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 09:15:21,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 09:15:21,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 09:15:21,325 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 09:15:21,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:15:20" (3/4) ... [2024-11-07 09:15:21,327 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 09:15:21,327 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 09:15:21,328 INFO L158 Benchmark]: Toolchain (without parser) took 1582.47ms. Allocated memory is still 109.1MB. Free memory was 85.2MB in the beginning and 35.4MB in the end (delta: 49.8MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-11-07 09:15:21,328 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:15:21,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.48ms. Allocated memory is still 109.1MB. Free memory was 85.0MB in the beginning and 73.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:15:21,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.43ms. Allocated memory is still 109.1MB. Free memory was 73.2MB in the beginning and 71.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:15:21,328 INFO L158 Benchmark]: Boogie Preprocessor took 45.52ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:15:21,328 INFO L158 Benchmark]: RCFGBuilder took 218.06ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 57.6MB in the end (delta: 12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:15:21,329 INFO L158 Benchmark]: TraceAbstraction took 1084.49ms. Allocated memory is still 109.1MB. Free memory was 57.1MB in the beginning and 35.4MB in the end (delta: 21.7MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-07 09:15:21,329 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 109.1MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 34.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:15:21,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.48ms. Allocated memory is still 109.1MB. Free memory was 85.0MB in the beginning and 73.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.43ms. Allocated memory is still 109.1MB. Free memory was 73.2MB in the beginning and 71.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.52ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 218.06ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 57.6MB in the end (delta: 12.3MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 1084.49ms. Allocated memory is still 109.1MB. Free memory was 57.1MB in the beginning and 35.4MB in the end (delta: 21.7MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Witness Printer took 2.85ms. Allocated memory is still 109.1MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 34.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 31.25; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 0.25; [L26] float var_1_5 = 10.5; [L27] unsigned char var_1_6 = 16; [L28] double var_1_7 = 10.75; [L29] double var_1_8 = 2.675; [L30] unsigned char var_1_9 = 128; [L31] unsigned char var_1_10 = 2; VAL [isInitial=0, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L73] isInitial = 1 [L74] FCALL initially() [L75] COND TRUE 1 [L76] FCALL updateLastVariables() [L77] CALL updateVariables() [L45] var_1_2 = __VERIFIER_nondet_uchar() [L46] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_3=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_3=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L46] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_3=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L47] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L47] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L48] var_1_3 = __VERIFIER_nondet_uchar() [L49] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L49] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L50] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L50] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L51] var_1_4 = __VERIFIER_nondet_float() [L52] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L52] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L53] var_1_5 = __VERIFIER_nondet_float() [L54] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L54] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L55] var_1_7 = __VERIFIER_nondet_double() [L56] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_8=107/40, var_1_9=128] [L56] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_8=107/40, var_1_9=128] [L57] var_1_8 = __VERIFIER_nondet_double() [L58] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=128] [L58] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=128] [L59] var_1_9 = __VERIFIER_nondet_uchar() [L60] CALL assume_abort_if_not(var_1_9 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L60] RET assume_abort_if_not(var_1_9 >= 127) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L61] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L61] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L62] var_1_10 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L63] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L64] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L64] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, var_1_10=-129, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L77] RET updateVariables() [L78] CALL step() [L35] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, var_1_10=-129, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L40] COND FALSE !((var_1_7 - var_1_8) >= (var_1_1 + var_1_4)) VAL [isInitial=1, var_1_10=-129, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L78] RET step() [L79] CALL, EXPR property() [L69-L70] return (var_1_2 ? (var_1_3 ? (var_1_1 == ((float) (var_1_4 + var_1_5))) : 1) : 1) && (((var_1_7 - var_1_8) >= (var_1_1 + var_1_4)) ? (var_1_6 == ((unsigned char) (var_1_9 - var_1_10))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=-129, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L79] RET, EXPR property() [L79] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-129, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] [L19] reach_error() VAL [isInitial=1, var_1_10=-129, var_1_1=125/4, var_1_2=0, var_1_3=1, var_1_6=16, var_1_9=32895] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 235 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 51 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 264/264 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 09:15:21,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fa446d8c93aa6747c2c2e323426d1b7be32d5c9dc6e4b183922bd1055e01248 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:15:22,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:15:23,067 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 09:15:23,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:15:23,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:15:23,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:15:23,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:15:23,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:15:23,096 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:15:23,096 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:15:23,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:15:23,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:15:23,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:15:23,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:15:23,096 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:15:23,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:15:23,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:15:23,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:15:23,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:15:23,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:15:23,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:15:23,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:15:23,098 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 09:15:23,098 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 09:15:23,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:15:23,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:15:23,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:15:23,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:15:23,098 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa446d8c93aa6747c2c2e323426d1b7be32d5c9dc6e4b183922bd1055e01248 [2024-11-07 09:15:23,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:15:23,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:15:23,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:15:23,333 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:15:23,333 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:15:23,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i [2024-11-07 09:15:24,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:15:24,707 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:15:24,708 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i [2024-11-07 09:15:24,714 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff9a1823d/42d45b46f6ae4ebd9921ca9ffa35fedf/FLAG63cfc1aec [2024-11-07 09:15:24,728 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff9a1823d/42d45b46f6ae4ebd9921ca9ffa35fedf [2024-11-07 09:15:24,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:15:24,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:15:24,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:15:24,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:15:24,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:15:24,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:24,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3876b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24, skipping insertion in model container [2024-11-07 09:15:24,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:24,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:15:24,853 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i[915,928] [2024-11-07 09:15:24,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:15:24,893 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:15:24,903 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i[915,928] [2024-11-07 09:15:24,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:15:24,933 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:15:24,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24 WrapperNode [2024-11-07 09:15:24,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:15:24,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:15:24,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:15:24,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:15:24,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:24,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:24,967 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85 [2024-11-07 09:15:24,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:15:24,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:15:24,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:15:24,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:15:24,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:24,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:24,977 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:24,993 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 09:15:24,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:24,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:24,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:25,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:25,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:25,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:25,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:15:25,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:15:25,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:15:25,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:15:25,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (1/1) ... [2024-11-07 09:15:25,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:15:25,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:15:25,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 09:15:25,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 09:15:25,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:15:25,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 09:15:25,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:15:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:15:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:15:25,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:15:25,131 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:15:25,132 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:15:27,641 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-07 09:15:27,641 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:15:27,649 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:15:27,649 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:15:27,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:15:27 BoogieIcfgContainer [2024-11-07 09:15:27,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:15:27,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:15:27,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:15:27,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:15:27,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:15:24" (1/3) ... [2024-11-07 09:15:27,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d09ee1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:15:27, skipping insertion in model container [2024-11-07 09:15:27,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:24" (2/3) ... [2024-11-07 09:15:27,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d09ee1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:15:27, skipping insertion in model container [2024-11-07 09:15:27,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:15:27" (3/3) ... [2024-11-07 09:15:27,658 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-71.i [2024-11-07 09:15:27,668 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:15:27,668 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:15:27,710 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:15:27,718 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@67c9777f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:15:27,718 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:15:27,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 09:15:27,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-07 09:15:27,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:15:27,729 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:15:27,730 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:15:27,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:15:27,733 INFO L85 PathProgramCache]: Analyzing trace with hash 2017305078, now seen corresponding path program 1 times [2024-11-07 09:15:27,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:15:27,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108998590] [2024-11-07 09:15:27,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:15:27,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:15:27,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:15:27,743 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 09:15:27,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-07 09:15:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:27,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 09:15:27,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:15:31,887 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-07 09:15:31,887 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 09:15:31,889 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:15:31,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108998590] [2024-11-07 09:15:31,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108998590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:15:31,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:15:31,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 09:15:31,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198352936] [2024-11-07 09:15:31,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:15:31,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 09:15:31,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:15:31,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 09:15:31,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 09:15:31,910 INFO L87 Difference]: Start difference. First operand has 42 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-07 09:15:33,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 09:15:33,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:15:33,818 INFO L93 Difference]: Finished difference Result 92 states and 146 transitions. [2024-11-07 09:15:33,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 09:15:33,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 79 [2024-11-07 09:15:33,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:15:33,825 INFO L225 Difference]: With dead ends: 92 [2024-11-07 09:15:33,826 INFO L226 Difference]: Without dead ends: 53 [2024-11-07 09:15:33,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 09:15:33,831 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 19 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 09:15:33,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 203 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 09:15:33,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-07 09:15:33,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 42. [2024-11-07 09:15:33,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 09:15:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2024-11-07 09:15:33,860 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 79 [2024-11-07 09:15:33,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:15:33,861 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2024-11-07 09:15:33,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-07 09:15:33,862 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2024-11-07 09:15:33,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-07 09:15:33,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:15:33,864 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:15:33,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-07 09:15:34,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:15:34,066 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:15:34,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:15:34,068 INFO L85 PathProgramCache]: Analyzing trace with hash 2019152120, now seen corresponding path program 1 times [2024-11-07 09:15:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:15:34,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624092865] [2024-11-07 09:15:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:15:34,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:15:34,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:15:34,075 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 09:15:34,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-07 09:15:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:15:34,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 09:15:34,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:15:48,745 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-07 09:15:48,745 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 09:15:48,745 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:15:48,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624092865] [2024-11-07 09:15:48,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624092865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:15:48,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:15:48,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 09:15:48,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114352553] [2024-11-07 09:15:48,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:15:48,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 09:15:48,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:15:48,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 09:15:48,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 09:15:48,747 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-07 09:16:02,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:16:02,233 INFO L93 Difference]: Finished difference Result 53 states and 68 transitions. [2024-11-07 09:16:02,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 09:16:02,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 79 [2024-11-07 09:16:02,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:16:02,246 INFO L225 Difference]: With dead ends: 53 [2024-11-07 09:16:02,246 INFO L226 Difference]: Without dead ends: 51 [2024-11-07 09:16:02,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 09:16:02,247 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 16 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-07 09:16:02,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 197 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-07 09:16:02,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-07 09:16:02,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2024-11-07 09:16:02,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 09:16:02,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2024-11-07 09:16:02,253 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 79 [2024-11-07 09:16:02,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:16:02,253 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2024-11-07 09:16:02,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-07 09:16:02,253 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2024-11-07 09:16:02,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-07 09:16:02,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:16:02,255 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:16:02,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-07 09:16:02,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:16:02,456 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:16:02,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:16:02,457 INFO L85 PathProgramCache]: Analyzing trace with hash -659565786, now seen corresponding path program 1 times [2024-11-07 09:16:02,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:16:02,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132678767] [2024-11-07 09:16:02,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:16:02,457 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:16:02,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:16:02,459 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 09:16:02,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-07 09:16:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:16:02,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 09:16:02,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:16:17,213 WARN L286 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-07 09:16:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-07 09:16:23,861 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 09:16:23,861 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:16:23,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132678767] [2024-11-07 09:16:23,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132678767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:16:23,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:16:23,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 09:16:23,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481230192] [2024-11-07 09:16:23,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:16:23,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 09:16:23,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:16:23,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 09:16:23,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 09:16:23,862 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-07 09:16:29,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 09:16:42,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 09:16:44,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 09:16:47,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 09:16:58,089 WARN L286 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-07 09:17:00,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 09:17:01,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []